Broken Bird: Mai Valentine, whose past has made her an aloof, untrusting loner
The IRs for Clefairy, Doublade, Aurorus, and Drapion stand out in particular to me, but there's really not a dud among them
also their special ability stop at Level 12 which means getting them to Level 12 quicker via other cards wont give them as high of a level as if one waited and used the cards afterwards In the OCG and TCG, monsters cannot have a Level lower than 1, but card effects can freely raise a monster's Level to arbitrarily large values in excess of 12
Greenwheel Liberator has the new Revolt mechanic, which gives it two +1/+1 counters when it enters the battlefield if a permanent you controlled left the battlefield this turn
If I want to play Magic: The Gathering with friends, in particular in these Covid-19 days, playing the game on MTG: Arena is far superior to the real thing